PT-2026-23777 · Philips · Philips Hue Bridge

Ho Xuan Ninh + 3 · Published 2026-03-06 · Updated 2026-04-27 · CVE-2026-3559

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Philips Hue Bridge (affected versions not specified)

Description A security issue exists in the Philips Hue Bridge related to the HomeKit Accessory Protocol. Specifically, a static nonce authentication bypass is possible. This allows an attacker to potentially bypass authentication mechanisms. The issue was discovered during the Pwn2Own competition by Ho Xuan Ninh and Hoang Hai Long from Qrious Secure.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-323

Related Identifiers

CVE-2026-3559

ZDI-26-157

Affected Products

Philips Hue Bridge

References · 6

• https://zerodayinitiative.com/advisories/ZDI-26-157 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-3559 · Security Note
• https://twitter.com/CVEnew/status/2032605861621756234 · Twitter Post
• https://twitter.com/TheZDIBugs/status/2030060471127081074 · Twitter Post
• https://t.me/cveNotify/161097 · Telegram Post
• https://twitter.com/TheHackerWire/status/2033634410936078410 · Twitter Post